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  2. Technische Fakultät
  3. Department Informatik
Friedrich-Alexander-Universität Lehrstuhl für Informatik 4 (Systemsoftware)
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      • Aufgaben
      • Aufgabe 0: C++ Streams
        • Aufgabe 1: Ein-/Ausgabe
          • Aufgabe 2: Unterbrechungen
            • Assembler Crashkurs
              • C++ Crashkurs
                • Entwicklungsumgebung
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                  Aufgabe 2: Unterbrechungen

                  Public Member Functions | List of all members
                  CopyStream Class Reference
                  I/O subsystem

                  Duplicate all data passed by the stream operator to two output streams. More...

                  #include <debug/copystream.h>

                  + Inheritance diagram for CopyStream:
                  [legend]
                  + Collaboration diagram for CopyStream:
                  [legend]

                  Public Member Functions

                   CopyStream (OutputStream *first, OutputStream *second)
                   Constructor. More...
                   
                  template<typename T >
                  CopyStream & operator<< (T value)
                   Generic stream operator for any data type. More...
                   
                  template<typename T >
                  CopyStream & operator<< (T &(*f)(T &))
                   Deal with [OutputStream] manipulator functions. More...
                   
                  - Public Member Functions inherited from OutputStream
                   OutputStream ()
                   Default constructor. Initial number system is decimal.
                   
                  virtual ~OutputStream ()
                   Destructor.
                   
                  virtual void flush ()=0
                   Clears the buffer. More...
                   
                  OutputStream & operator<< (char c)
                   Print a single character. More...
                   
                  OutputStream & operator<< (unsigned char c)
                   Print a single character. More...
                   
                  OutputStream & operator<< (const char *string)
                   Printing a null-terminated string. More...
                   
                  OutputStream & operator<< (bool b)
                   Print a boolean value. More...
                   
                  OutputStream & operator<< (short ival)
                   Print an integral number in radix base More...
                   
                  OutputStream & operator<< (unsigned short ival)
                   Print an integral number in radix base More...
                   
                  OutputStream & operator<< (int ival)
                   Print an integral number in radix base More...
                   
                  OutputStream & operator<< (unsigned int ival)
                   Print an integral number in radix base More...
                   
                  OutputStream & operator<< (long ival)
                   Print an integral number in radix base More...
                   
                  OutputStream & operator<< (unsigned long ival)
                   Print an integral number in radix base More...
                   
                  OutputStream & operator<< (long long ival)
                   Print an integral number in radix base More...
                   
                  OutputStream & operator<< (unsigned long long ival)
                   Print an integral number in radix base More...
                   
                  OutputStream & operator<< (const void *ptr)
                   Print a pointer as hexadecimal number. More...
                   
                  OutputStream & operator<< (OutputStream &(*f)(OutputStream &))
                   Calls one of the manipulator functions. More...
                   
                  - Public Member Functions inherited from Stringbuffer
                  virtual ~Stringbuffer ()
                   Destructor (nothing to do here)
                   

                  Additional Inherited Members

                  - Public Attributes inherited from OutputStream
                  int base
                   Number system used for printing integral numbers (one of 2, 8, 10, or 16)
                   
                  - Protected Member Functions inherited from Stringbuffer
                   Stringbuffer ()
                   Constructor; Marks the buffer as empty.
                   
                  void put (char c)
                   Inserts a character into the buffer. More...
                   
                  virtual void flush ()=0
                   Flush the buffer contents. More...
                   
                  - Protected Attributes inherited from Stringbuffer
                  char buffer [80]
                   buffer containing characters that will be printed upon flush()
                   
                  long unsigned pos
                   current position in the buffer
                   

                  Detailed Description

                  Duplicate all data passed by the stream operator to two output streams.

                  Can be used as replacement for any OutputStream – for example, forwarding the DBG output simultaneously to screen (TextStream) and serial console (SerialStream).

                  By using template programming, two generic methods are sufficient (which simply forward the input to both).

                  Constructor & Destructor Documentation

                  CopyStream::CopyStream ( OutputStream *  first,
                  OutputStream *  second 
                  )
                  inline

                  Constructor.

                  Parameters
                  firstFirst recipient for output passed to this object
                  secondSecond recipient for output passed to this object

                  Member Function Documentation

                  template<typename T >
                  CopyStream & CopyStream::operator<< ( T  value)
                  inline

                  Generic stream operator for any data type.

                  Forwards all input to both recipients.

                  Uses template meta programming for a generic & short solution

                  Template Parameters
                  TType of data to be forwarded
                  Parameters
                  valuedata to be forwarded
                  Returns
                  Reference to the CopyStream object allowing concatenation of operators
                  template<typename T >
                  CopyStream & CopyStream::operator<< ( T &(*)(T &)  f)
                  inline

                  Deal with [OutputStream] manipulator functions.

                  Template Parameters
                  TManipulator type
                  Parameters
                  fpointer to manipulator function
                  Returns
                  Reference to the CopyStream object allowing concatenation of operators

                  The documentation for this class was generated from the following file:
                  • debug/copystream.h
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